Patent US3075852A successfully refreshed from Google Patents.
US3075852A
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Assignee: Individual
•
Filing: 1959-08-12
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Granted: 1963-01-29
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Expires: 1979-08-12
Abstract
No abstract record available.
Inventors
- 👤 Matthew J Bonora
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:23
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/117; A61B5/1171; A61B5/1172; A61B5/103; B; B05; B05D; B05D7/00; B05D7/02; B05D7/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A METHOD OF DETECTING OR DEVELOPING A LATENT FINGERPRINT ON A SURFACE, WHICH COMPRISES DIRECTING A SPRAY AGAINST A SURFACE HAVING A LATENT FINGERPRINT THEREON FROM A SEALED CONTAINER HAVING A COMPOSITION COMPRISING A FINELY DIVIDED SOLID MATERIAL OF AT MOST 50-MESH SIZE AND A PROPELLANT SCALED FROM THE ATMOSPHERE, AND DISTRIBUTING THE EXCESS FINELY DIVIDED SOLID MATERIAL IN ORDER TO EXPOSE THE DEVELOPED FINGERPRINT.
Claim 2
Independent Claim
65 words
A METHOD OF DETECTING OR DEVELOPING A LATENT FINGERPRINT ON A SURFACE, WHICH COMPRISES DIRECTING A SPRAY AGAINST A SURFACE HAVING A LATENT FINGERPRINT THEREON FROM A SEALED CONTAINER HAVING A COMPOSITION COMPRISING A FINELY DIVIDED SOLID MATERIAL OF AT MOST 50-MESH SIZE AND A PROPELLANT SCALED FROM THE ATMOSPHERE, AND DISTRIBUTING THE EXCESS FINELY DIVIDED SOLID MATERIAL IN ORDER TO EXPOSE THE DEVELOPED FINGERPRINT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |